Advice on maternity clothes?

Advice on maternity clothes?
I have always been really small and now that Im pregnant, Im still small, except for my stomach which is bulging out. It makes shopping for maternity clothes really hard. I have thin legs so it seems impossible to find pants or shorts that fit my small legs and large waist. Did anyone else have this problem? Where did you shop? As far as shirts go, Ive just been buying normal shirts one size up, since maternity-looking shirts seem to be popular right now.
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Maternity Wear|Maternity Clothes